[SPARC64]: Export _PAGE_IE to modules.

Signed-off-by: David S. Miller <davem@davemloft.net>

arch/sparc64/mm/init.c

@@ -1568,6 +1568,7 @@ pgprot_t PAGE_EXEC __read_mostly;
 unsigned long pg_iobits __read_mostly;
 
 unsigned long _PAGE_IE __read_mostly;
+EXPORT_SYMBOL(_PAGE_IE);
 
 unsigned long _PAGE_E __read_mostly;
 EXPORT_SYMBOL(_PAGE_E);